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Class 301/15 - Contractible rim


Subclass of Class 301 - Land vehicles: wheels and axles
Definition: Wheel including a transplit rim, i.e., a rim of adjustable
No. of patents: 2
Last issue date: 09/24/2002


NumberTitleIssue Date
6456477Linear capacitance detection circuit
A differential transconductance amplifier detects changes of the variable capacitor in a low-impedance, bridge circuit and feeds back current to balance the bridge. The voltage that controls the feedback current is proportional to capacitance over a wide ... 		09/24/2002
6249722Method of controlling brake pipe pressure
An improved method is used to control the pressure in the brake pipe of a train. The train is equipped with an automatic brake handle, an equalizing reservoir, a brake pipe control device and a computer for controlling the control device according to posi... 		06/19/2001
 
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